Home / 35,678.76-53,525.66-13,491.65

Finding the Fourth Proportional to 35,678.76, 53,525.66 and 13,491.65

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Solution

The fourth proportional to 35,678.76, 53,525.66 and 13,491.65 is: 20,240.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,678.76 : 53,525.66 = 13,491.65 : x
  2. Step 2: Convert to fraction form
    35,678.76/53,525.66 = 13,491.65/x
  3. Step 3: Cross multiply
    35,678.76x = 53,525.66 × 13,491.65
  4. Step 4: Simplify right side
    35,678.76x = 722,149,135.65
  5. Step 5: Solve for x
    x = 722,149,135.65/35,678.76
  6. Step 6: Final answer
    x = 20,240.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.